11111443042 has 8 divisors (see below), whose sum is σ = 19048188096. Its totient is φ = 4762047012.

The previous prime is 11111443039. The next prime is 11111443043. The reversal of 11111443042 is 24034411111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11111443042² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11111443043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396837238 + ... + 396837265.

It is an arithmetic number, because the mean of its divisors is an integer number (2381023512).

Almost surely, 2^11111443042 is an apocalyptic number.

11111443042 is a deficient number, since it is larger than the sum of its proper divisors (7936745054).

11111443042 is an equidigital number, since it uses as much as digits as its factorization.

11111443042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793674512.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 11111443042 its reverse (24034411111), we get a palindrome (35145854153).

The spelling of 11111443042 in words is "eleven billion, one hundred eleven million, four hundred forty-three thousand, forty-two".